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Finding the Fourth Proportional to 499,073.60, 748,610.40 and 183,465.20

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Solution

The fourth proportional to 499,073.60, 748,610.40 and 183,465.20 is: 275,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,073.60 : 748,610.40 = 183,465.20 : x
  2. Step 2: Convert to fraction form
    499,073.60/748,610.40 = 183,465.20/x
  3. Step 3: Cross multiply
    499,073.60x = 748,610.40 × 183,465.20
  4. Step 4: Simplify right side
    499,073.60x = 137,343,956,758.08
  5. Step 5: Solve for x
    x = 137,343,956,758.08/499,073.60
  6. Step 6: Final answer
    x = 275,197.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.